TOKYO, Jan. 13 (Xinhua) -- A magnitude 6.9 earthquake struck the Kyushu region in southwestern Japan on Monday, the country's weather agency said, with a 20-centimeter tsunami observed in Miyazaki Prefecture.
The strong temblor occurred at 9:19 p.m. local time, measuring an intensity of lower 5 on the Japanese scale of 0 to 7 in the hardest-hit areas, according to the Japan Meteorological Agency (JMA).
At a depth of 30 km, the epicenter was located off the waters of Hyuga-nada in southern Kyushu at a latitude of 31.8 degrees north and a longitude of 131.6 degrees east, the JMA said.
The JMA has issued a tsunami advisory for Miyazaki and Kochi prefectures.
The weather agency initially reported the quake as magnitude 6.4 but later revised the figure to 6.9. ■